Abstract
Study on the Soil Fertilizing Activities of Salt Tolerant Yeast Isolates
Highlights
Several environmental factors adversely affect plant growth and development and final yield performance of a crop
The fertilizing activities of yeast isolates such as nitrogen fixing activity was measured by Indophenol method, phosphorus solubilizing activity and potassium decomposing activity were determined by spectrometry and Flame Photometry respectively
Yeasts were isolated on Peptone Yeast Glucose (PYG) medium by using serial dilution method
Summary
Several environmental factors adversely affect plant growth and development and final yield performance of a crop. Water salinity is an environmental stress factor that inhibits growth and yield of crop plants in many regions of the world. Improving salinity and tolerance of crop plants using biofertilization has been an important but largely unfulfilled aim of modern agricultural development [1]. Soil salinity is an increasing threat for agriculture [2] and it stresses plants in two ways. High concentrations of salts in the soil make it harder for roots to extract water, and high concentrations of salts within the plant can be toxic. Salts on the outside of roots have an immediate effect on cell growth and associated metabolism; toxic concentrations of salts take time to accumulate inside plants before they affect plant function [3]
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